Add background state support for IOS #115

Author: wkh237

src/index.js

@@ -47,11 +47,15 @@ const Blob = polyfill.Blob
 const emitter = DeviceEventEmitter
 const RNFetchBlob = NativeModules.RNFetchBlob
 
-AppState.addEventListener('change', (e) => {
-  console.log('app state changed', e)
-  if(e === 'active')
-    RNFetchBlob.emitExpiredEvent(()=>{})
-})
+// when app resumes, check if there's any expired network task and trigger
+// their .expire event
+if(Platform.OS === 'ios') {
+  AppState.addEventListener('change', (e) => {
+    console.log('app state changed', e)
+    if(e === 'active')
+      RNFetchBlob.emitExpiredEvent(()=>{})
+  })
+}
 
 // register message channel event handler.
 emitter.addListener("RNFetchBlobMessage", (e) => {
@@ -132,7 +136,7 @@ function fetchFile(options = {}, method, url, headers = {}, body):Promise {
   let total = -1
   let cacheData = ''
   let info = null
-
+  let {x,y} = a.props
   let _progress, _uploadProgress, _stateChange
 
   switch(method.toLowerCase()) {

src/ios/RNFetchBlobNetwork.m

@@ -264,11 +264,10 @@ - (void) sendRequest:(__weak NSDictionary  * _Nullable )options
     __block UIApplication * app = [UIApplication sharedApplication];
 
     // #115 handling task expired when application entering backgound for a long time
-    [app beginBackgroundTaskWithName:taskId expirationHandler:^{
+    UIBackgroundTaskIdentifier tid = [app beginBackgroundTaskWithName:taskId expirationHandler:^{
         NSLog([NSString stringWithFormat:@"session %@ expired", taskId ]);
         [expirationTable setObject:task forKey:taskId];
-        [app endBackgroundTask:task];
-
+        [app endBackgroundTask:tid];
     }];
 
 
@@ -285,10 +284,13 @@ + (void) emitExpiredTasks
         RCTBridge * bridge = [RNFetchBlob getRCTBridge];
         NSData * args = @{ @"taskId": key };
         [bridge.eventDispatcher sendDeviceEventWithName:EVENT_EXPIRE body:args];
+
     }
 
-    // emit expired event once
+    // clear expired task entries
     [expirationTable removeAllObjects];
+    expirationTable = [[NSMapTable alloc] init];
+
 }
 
 ////////////////////////////////////////

test/test-0.10.0.js

@@ -27,51 +27,51 @@ const dirs = RNFetchBlob.fs.dirs
 let prefix = ((Platform.OS === 'android') ? 'file://' : '')
 let begin = Date.now()
 
-// describe('json stream via HTTP', (report, done) => {
-//
-//   let count = 0
-//   JSONStream(`${TEST_SERVER_URL}/public/json-dummy.json`).node('name', (name) => {
-//     count++
-//     if(Date.now() - begin < 100)
-//     return
-//     begin = Date.now()
-//     report(<Info key="report" uid="100">
-//       <Text>{count} records</Text>
-//     </Info>)
-//     done()
-//   })
-//
-// })
-//
-// describe('json stream via fs', (report, done) => {
-//
-//   let fetch2 = new RNFetchBlob.polyfill.Fetch({
-//     auto : true
-//   })
-//   let res = null
-//   let count = 0
-//
-//   RNFetchBlob.config({
-//     fileCache : true
-//   })
-//   .fetch('GET',`${TEST_SERVER_URL}/public/json-dummy.json`)
-//   .then((resp) => {
-//     res = resp
-//     JSONStream({
-//       url : RNFetchBlob.wrap(res.path()),
-//       headers : { bufferSize : 10240 }
-//     }).node('name', (name) => {
-//       count++
-//       if(Date.now() - begin < 100)
-//       return
-//       begin = Date.now()
-//       report(<Info key="report" uid="100">
-//         <Text>{count} records</Text>
-//       </Info>)
-//       done()
-//     })
-//   })
-// })
+describe('json stream via HTTP', (report, done) => {
+
+  let count = 0
+  JSONStream(`${TEST_SERVER_URL}/public/json-dummy.json`).node('name', (name) => {
+    count++
+    if(Date.now() - begin < 100)
+    return
+    begin = Date.now()
+    report(<Info key="report" uid="100">
+      <Text>{count} records</Text>
+    </Info>)
+    done()
+  })
+
+})
+
+describe('json stream via fs', (report, done) => {
+
+  let fetch2 = new RNFetchBlob.polyfill.Fetch({
+    auto : true
+  })
+  let res = null
+  let count = 0
+
+  RNFetchBlob.config({
+    fileCache : true
+  })
+  .fetch('GET',`${TEST_SERVER_URL}/public/json-dummy.json`)
+  .then((resp) => {
+    res = resp
+    JSONStream({
+      url : RNFetchBlob.wrap(res.path()),
+      headers : { bufferSize : 10240 }
+    }).node('name', (name) => {
+      count++
+      if(Date.now() - begin < 100)
+      return
+      begin = Date.now()
+      report(<Info key="report" uid="100">
+        <Text>{count} records</Text>
+      </Info>)
+      done()
+    })
+  })
+})
 //
 // describe('issue #102', (report, done) => {
 //   let tmp = null
@@ -142,24 +142,3 @@ let begin = Date.now()
 //   })
 //
 // })
-
-
-describe('action view intent get callback', (report, done) => {
-  let isActionViewVisible = false
-
-  RNFetchBlob.config({
-    fileCache : true,
-    appendExt : 'png',
-    trusty : true
-  })
-  .fetch('GET', `${TEST_SERVER_URL}/public/github.png`)
-  .then(res => {
-    console.log(res.data);
-    console.log(res.info())
-    RNFetchBlob.android.actionViewIntent(res.path(), 'image/png')
-    .then(() => {
-        console.log('action-view removed')
-      isActionViewVisible = true
-    });
-  })
-})